Jan Aushadhi — diclofenac diethylamine, virgin linseed oil, methyl salicylate & menthol gel 20 mg

My name is himansu sekhar satapathy and i am a lawyer by profession at cuttack, odisha and also a regular user of jan aushadhi medicines. I have purchased diclofenac diethylamine, virgin linseed oil, methyl salicylate & menthol gel 20 mg bearing batch no. Dsg - 02, mfg. Date - 01/2017, exp. Date - 12/2018, bppi drug code no 847 two days back from jan aushadhi store at sector - 9, cda, cuttack. After squeezing the tube of more than half, the medicine came out. It appears the the exact quantity of 20mg is not there. I do not have exact instrument to measure, but the medicine can not be 20 mg. The authority may kindly look into the matter